O sages, I have been justly questioned by you. Your questions are worthy because they relate to Lord Kṛṣṇa and so are of relevance to the world’s welfare. Only questions of this sort are capable of completely satisfying the self.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
मुनयः साधु पृष्टोऽहं भवद्भिर्लोकमङ्गलम् । यत्कृतः कृष्णसम्प्रश्नो येनात्मा सुप्रसीदति
munayaḥ sādhu pṛṣṭo'haṃ bhavadbhirlokamaṅgalam | yatkṛtaḥ kṛṣṇasampraśno yenātmā suprasīdati
SB 1.2.5